Humanity's forgotten return to Africa revealed in DNA. Now a study of southern African genes shows that, unexpectedly, another migration took western Eurasian DNA back to the very southern tip of the continent 3000 years ago.

Single replacement lab conclusion essay THE SKY IS ALIVE. The Living Sky explores a simple hypothesis: our atmosphere may provide habitats for a wide variety of living things. Numerous varied phenomena like.

These images are merely intended to be reasonable artist renderings based on available evidence, understanding that evidence regarding skin color, hair, and other characteristics are limited. - The Richard Dawkins Foundation for Reason and Science